/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.example.github.util;

import android.arch.lifecycle.LiveData;

/**
 * A LiveData class that has {@code null} value.
 */
public class AbsentLiveData extends LiveData {
    private AbsentLiveData() {
        postValue(null);
    }
    public static <T> LiveData<T> create() {
        //noinspection unchecked
        return new AbsentLiveData();
    }
}
